fā huī
发挥积极性
fā huī jī jí xìng
Bring initiative into play; give play to one's initiative.
发挥模范作用
fā huī mó fàn zuò yòng
Play an exemplary role; set a good example.
发挥技术水平
fā huī jì shù shuǐ píng
to display/demonstrate technical proficiency